GCF and LCM Calculator Logo

What is the Least Common Multiple of 43743 and 43749?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 43743 and 43749 is 637904169.

LCM(43743,43749) = 637904169

LCM Calculator and
and

Least Common Multiple of 43743 and 43749 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43743 and 43749, than apply into the LCM equation.

GCF(43743,43749) = 3
LCM(43743,43749) = ( 43743 × 43749) / 3
LCM(43743,43749) = 1913712507 / 3
LCM(43743,43749) = 637904169

Least Common Multiple (LCM) of 43743 and 43749 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43743 and 43749. First we will calculate the prime factors of 43743 and 43749.

Prime Factorization of 43743

Prime factors of 43743 are 3, 7, 2083. Prime factorization of 43743 in exponential form is:

43743 = 31 × 71 × 20831

Prime Factorization of 43749

Prime factors of 43749 are 3, 4861. Prime factorization of 43749 in exponential form is:

43749 = 32 × 48611

Now multiplying the highest exponent prime factors to calculate the LCM of 43743 and 43749.

LCM(43743,43749) = 32 × 71 × 20831 × 48611
LCM(43743,43749) = 637904169